CERN Accelerating science

Preprint
Report number	arXiv:1202.3341 ; MPP-2012-8 ; MPP-2012-8
Title	Top Mass Measurement at CLIC at 500 GeV
Author(s)	Simon, Frank (Munich, Max Planck Inst. ; Munich, Tech. U., Universe) ; Seidel, Katja (Munich, Max Planck Inst. ; Munich, Tech. U., Universe) ; Poss, Stephane (CERN)
Publication	2012
Imprint	16 Feb 2012
Number of pages	8
Note	Comments: To appear in the proceedings of LCWS11, Granada, Spain, September 2011 To appear in the proceedings of LCWS11, Granada, Spain, September 2011
Presented at	International Workshop on Future Linear Colliders, Granada, Spain, 26 - 30 Sep 2011
Subject category	Particle Physics - Experiment
Accelerator/Facility, Experiment	CLIC
Abstract	We present a study of the capability of a 500 GeV e+e- collider based on CLIC technology for precision measurements of top quark properties. The analysis is based on full detector simulations of the CLIC_ILD detector concept using Geant4, including realistic background contributions from two photon processes. Event reconstruction is performed using a particle flow algorithm with stringent cuts to control the influence of background. The mass and width of the top quark are studied in fully-hadronic and semi-leptonic decays of ttbar pairs using event samples of signal and standard model background processes corresponding to an integrated luminosity of 100/fb. Statistical uncertainties of the top mass given by the invariant mass of its decay products of 0.08 GeV and 0.09 GeV are obtained for the fully-hadronic and the semi-leptonic decay channel, respectively, demonstrating that similar precision to that at ILC can be achieved at CLIC despite less favorable experimental conditions.
Other source	Inspire